Last Updated: Oct 12, 2026
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The Microsoft AZ-400 test concerns developing and executing solutions for DevOps. Applicants who succeed in such a test and come into the possession of the Microsoft Certified: DevOps Engineer Expert certification can apply and interview for jobs in firms looking for qualified Azure DevOps engineers. Their work will involve necessitating development and execution strategies geared for code, infrastructure, collaboration, security, source control, compliance, testing, delivery, continuous integration, and monitoring in addition to feedback. Some of the commonly available career paths for these Azure professionals in the development field include a senior DevOps engineer, SRE engineer, and software engineer. The average pay for all paths per annum is $98,637 as divulged by PayScale.com. And when it comes to salaries for the specific paths, senior DevOps engineers are entitled to $117,417 yearly. On the other hand, an SRE engineer also qualifies to earn $117,417 while software developers take home $86,284 per year.
Passing AZ-400 test will get you the Microsoft Certified: DevOps Engineer Expert certification, which is one of the latest role-based Azure certificates that will verify the knowledge and skills of the candidates seeking Azure DevOps expertise. It is designed to equip the specialists with the needed skills to function as DevOps engineers who provide an organization with the best solutions. Those students who pass such an exam will be able to prove their skills and knowledge and officially verify them. You should be aware that there will be 40-60 questions in the Microsoft AZ-400 that you will have to attempt within 180 minutes. The type of questions that will come in such an exam may include multiple-choice, case studies, review screen, hot area, fill-in-the-blank, drag and drop, active screen, and other types of questions. This test can be taken in different languages, including English, Korean, Japanese, and Simplified Chinese. To clear it, you will have to get the passing score of 700 marks. Sitting for the certification test costs $165. To register for it, visit the official site and follow the instructions indicated there.
Reference: https://learn.microsoft.com/en-us/credentials/certifications/exams/az-400/
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| Section | Weight | Objectives |
|---|---|---|
| Implement dependency management | 10–15% | - Package management
|
| Implement application infrastructure | 15–20% | - Containerization
|
| Develop a DevOps strategy | 20–25% | - Select appropriate tools and processes
|
| Implement CD using Azure Pipelines | 10–15% | - Release strategies
|
| Implement CI using Azure Pipelines | 20–25% | - Implement build strategies
|
| Implement continuous feedback | 10–15% | - System feedback loops
|
You have the GitHub repositories shown in the following table.
You make changes to the code in RepoB.
You need to integrate the changes to RepoC.
How should you complete the command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Correct Answer:

Explanation:
Task 6
Initialize the default main branch, if it does not exist already.
For Project 1, you need to implement branch merging restrictions to enable squash merge for all changes merged into the main branch.
Correct Answer:
See the solution below in explanation.
Explanation:
Step 1: Initialize the Default Main Branch
Navigate to Azure DevOps:
Go to Azure DevOps and sign in with your credentials.
Select Your Project:
Choose Project1 from your list of projects.
Initialize the Main Branch:
Goto Repos > Files.
If the main branch does not exist, you will see an option to initialize it. Click on Initialize and follow the prompts to create the main branch1.
Step 2: Enable Squash Merge for the Main Branch
Navigate to Branch Policies:
Go to Repos > Branches.
Find the main branch and click on the ... (ellipsis) next to it.
Select Branch policies.
Enable Squash Merge:
Under Policies, scroll down to the Merge strategy section.
Select Squash merge as the required mergestrategy2.
Save Changes:
Click on Save changes to apply the policies.
Step 3: Verify the Squash Merge Policy
Create a Pull Request:
Make achange in a branch and create a pull request to merge it into the main branch.
Complete the Pull Request:
Ensure that the pull request uses thesquash merge strategy by selecting Squash commit under the Merge type in the Complete pull request dialog
You have an Azure DevOps organization named Contoso and an Azure DevOps project named Project1.
You plan to use Microsoft-hosted agents to build container images that will host full Microsoft .NET Framework apps in a YAML pipeline in Project1.
What are two possible virtual machine images that you can use for the Microsoft-hosted agent pool? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Correct Answer: A,B 🗳️
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You plan to create a release pipeline that will deploy Azure resources by using Azure Resource Manager templates. The release pipeline will create the following resources:
Two resource groups
Four Azure virtual machines in one resource group
Two Azure SQL databases in other resource group
You need to recommend a solution to deploy the resources.
Solution: Create a single standalone template that will deploy all the resources.
Does this meet the goal?
Correct Answer: B 🗳️
Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).
You manage package feeds by using Azure Artifacts.
You plan to create a new package feed that will include the following views:
* @ Local
* Latest
* @Release
* Prerelease
Which view should you create manually '
Correct Answer: C 🗳️
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